- THE UNEXPECTED SERIES : LAST BOOK - Winning against Bina was the only reason why Daeun entered medical school. She was tired of seeing her mother being bullied by her aunt and she wanted to put an end to it. That is when she met Sunghoon, the man who talked to her during the night she was admitted to the Park Specialist Hospital. The man who spent time with her during the party in California. She wanted to hug him, tell him that she has been searching for him for months. But she was hesitant as soon as she realised that Sunghoon was her cousin's long-time crush. And she didn't want to be the girl who steals someone else's crush. Will she ever succeed in moving on?

Park Minji just wanted to get through the school year with a flying high scores in every exams. However that's kind of hard to do when her new sworn enemy had been assigned for her to tutor. The same boy who accidentally kicked the soccer ball at her unsuspecting face at one practice game. Though they didn't both know it, this annoying but iconic moment would mark the beginning of their love story.

- THE UNEXPECTED SERIES : BOOK III - There's a story that Heeseung never told his friends. A story that took place 14 years ago. Edlyn was never his first love. It was Jung Areum. A girl who gets on his nerves a lot and who always catches his attention every time. So what made him forget her? What made him decide to move on? What made him and his best friend, Beomgyu drift apart? Read more to find out about Areum, Heeseung and Beomgyu's love triangle.